Home / 311,936.80-467,905.20-179,226.40

Finding the Fourth Proportional to 311,936.80, 467,905.20 and 179,226.40

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Solution

The fourth proportional to 311,936.80, 467,905.20 and 179,226.40 is: 268,839.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,936.80 : 467,905.20 = 179,226.40 : x
  2. Step 2: Convert to fraction form
    311,936.80/467,905.20 = 179,226.40/x
  3. Step 3: Cross multiply
    311,936.80x = 467,905.20 × 179,226.40
  4. Step 4: Simplify right side
    311,936.80x = 83,860,964,537.28
  5. Step 5: Solve for x
    x = 83,860,964,537.28/311,936.80
  6. Step 6: Final answer
    x = 268,839.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.